TREA

Kenji Murata

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Earphone
    • Patent number D606049
    • Issue date Dec 15, 2009
    • SMK Corporation
    • Takeshi Matsuda
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Earphone
    • Patent number D599785
    • Issue date Sep 8, 2009
    • SMK Corporation
    • Takeshi Matsuda
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Pair of earphones
    • Patent number D598010
    • Issue date Aug 11, 2009
    • SMK Corporation
    • Takeshi Matsuda
    • D14 - Recording, communication, or information retrieval equipment